Individual provider Active NPI

Gillian Robertson, LMSW

  • Social Worker
  • Hartford, CT
National Provider Identifier
1083485726
Registry record updated Oct 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
11596 Issued in CT
Practice address
21 Grand St
Hartford, CT 06106-1541
Phone
(203) 446-7118
NPI assigned
Jan 11, 2024
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 31, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 11596 CT Primary

Addresses

Primary practice location

21 Grand St
Hartford, CT 06106-1541

Mailing address

PO Box 120
New London, CT 06320-0120
Phone (860) 437-4550

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1704931200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761868800000",
    "number": "1083485726",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 120",
            "city": "NEW LONDON",
            "state": "CT",
            "postal_code": "063200120",
            "telephone_number": "860-437-4550"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21 GRAND ST",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061061541",
            "telephone_number": "203-446-7118"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROBERTSON",
        "first_name": "GILLIAN",
        "credential": "LMSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-01-11",
        "last_updated": "2025-10-31",
        "certification_date": "2025-10-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CT",
            "license": "11596",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hartford, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 31, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.